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Low temperature hydrogenation of iron nanoparticles on graphene

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Title: Low temperature hydrogenation of iron nanoparticles on graphene
Authors: Takahashi, Keisuke Browse this author
Wang, Yongming Browse this author
Chiba, Shotaro Browse this author
Nakagawa, Yuki Browse this author
Isobe, Shigehito Browse this author →KAKEN DB
Ohnuki, Somei Browse this author →KAKEN DB
Issue Date: 8-Apr-2014
Publisher: Nature Publishing Group
Journal Title: Scientific Reports
Volume: 4
Start Page: 4598
Publisher DOI: 10.1038/srep04598
Abstract: Hydrogenation of iron nanoparticles was performed both computationally and experimentally where previously chemically-bonded iron hydride is considered to be unachievable under ordinary conditions. Density functional theory (DFT) calculations predict that hydrogenated iron nanoparticles are stabilized on a single-layer graphene/Cu substrate. Experimentally, iron nanoparticles were deposited onto a graphene/Cu substrate by vacuum deposition. Hydrogenation was done at 1atm of hydrogen gas and under liquid nitrogen. Mass spectrometry peak confirmed the hydrogen release from hydrogenated iron nanoparticles while a scanning transmission electron microscopy is used in order to link a geometrical shape of iron hydride nanoparticles between experimental and theoretical treatments. The hydrogenated iron nanoparticles were successfully synthesized where hydrogenated iron nanoparticles are stable under ordinary conditions.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 大貫 惣明

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